SPACI score report for 3Q6R in ASTRAL 2.04:

PDB Entry: 3Q6R
SPACI score: 0.7
AEROSPACI score: 0.7

Experiment type: XRAY
Resolution: 1.4
R-factor: 0.165
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.692
WCK2 WHAT_CHECK Ramachandran: -0.381
WCK3 WHAT_CHECK Chi angles: 0.872
WCK4 WHAT_CHECK Backbone: 1.562

Note: Here are links to pages about PROCHECK and WHAT_CHECK.

Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).